A high-efficiency mixing device for road engineering construction

Abstract

The present invention belongs to the technical field of mixing materials for road engineering construction, and specifically refers to an efficient mixing device for road engineering construction, including a mixing barrel, a blocking block, a double-headed sliding mixing mechanism and a raised rolling mechanism, wherein the blocking block is arranged through the side wall of the mixing barrel, the blocking block is threadedly connected to the mixing barrel, the mixing barrel is arranged with openings at both ends, the double-headed sliding mixing mechanism is arranged on the inner wall of the mixing barrel, the raised rolling mechanism is arranged on the top, and the double-headed sliding mixing mechanism includes an alternating mechanism and a driving mechanism. The present invention provides an efficient mixing device for road engineering construction that can refine solid additives in additive raw materials, ensure the mixing efficiency between additive raw materials, and facilitate the removal of residual additive raw materials in the container to avoid cross contamination between different additive raw materials.

Description

Technical Field

[0001] The invention belongs to the technical field of material mixing for road engineering construction, and specifically refers to a high-efficiency material mixing device for road engineering construction. Background Art

[0002] Mixtures in road construction usually refer to composite materials made by mixing different types of raw materials in a certain proportion. By mixing different raw materials, the performance of a single material can be improved, such as improving strength, durability, and impermeability. According to different road engineering needs, the ratio of raw materials and the mixing process can be adjusted to produce mixtures with different properties to meet various engineering requirements.

[0003] The existing high-efficiency mixing devices for road engineering construction have the following problems:

[0004] The existing mixing devices for road engineering construction do not have the ability to crush the raw materials, which makes it difficult for some solid additives in the additive raw materials to be mixed with other additives. In addition, traditional additive stirring containers are not easy to clean, which leads to cross-contamination between different additives, affecting the quality of the mixed additive raw materials. Therefore, it cannot meet the existing demand for the use of mixing devices for road engineering construction. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present solution provides a high-efficiency mixing device for road engineering construction that can refine the solid additives in the additive raw materials, ensure the mixing efficiency between the additive raw materials, and facilitate the removal of residual additive raw materials inside the container to avoid cross contamination between different additive raw materials.

[0006] The technical scheme adopted in this scheme is as follows: This scheme proposes a high-efficiency mixing device for road engineering construction, including a mixing barrel, a blocking block, a double-headed sliding mixing mechanism and a raised rolling mechanism, the blocking block is arranged through the side wall of the mixing barrel, the blocking block is threadedly connected to the mixing barrel, the mixing barrel is opened at both ends, the double-headed sliding mixing mechanism is arranged on the inner wall of the mixing barrel, the raised rolling mechanism is arranged inside the mixing barrel, the double-headed sliding mixing mechanism includes an alternating mechanism and a driving mechanism, the alternating mechanism is arranged inside the mixing barrel, the driving mechanism is arranged on the alternating mechanism, the raised rolling mechanism includes a deformation mechanism and a fine grinding mechanism, the deformation mechanism is arranged inside the alternating mechanism, and the fine grinding mechanism is arranged on the side wall of the alternating mechanism.

[0007] As a further preferred embodiment of the present invention, the alternating mechanism includes a sliding plate, a rotating disk, a mixing drum, a mixing rod, a sealing plate, a rotating ring, a locking bolt and a threaded hole, the sliding plate is slidably arranged on the inner wall of the mixing drum, the rotating disk is symmetrically arranged on both sides of the sliding plate, the rotating disk is rotatably arranged on the side wall of the sliding plate, the mixing drum is arranged on the side of the rotating disk away from the sliding plate, multiple groups of the mixing rods are arranged on the side wall of the mixing drum, the sealing plate is arranged on both sides of the mixing drum, the rotating ring is symmetrically arranged on both sides of the mixing drum, the rotating ring is rotatably arranged on the side wall of the mixing drum, multiple groups of the locking bolts are penetrated through the side wall of the sealing plate, and multiple groups of the threaded holes are arranged on the side wall of the rotating ring; the driving mechanism includes a dual-axis motor and a driving shaft, the dual-axis motor is arranged on the side wall of the sliding plate between the rotating disks, and the driving shaft is arranged between the rotating disk and the power end of the dual-axis motor.

[0008] When in use, before mixing the raw materials for road construction auxiliary agents, the stirring environment inside the mixing barrel is cleaned first to reduce the probability of impurities entering the raw materials for road construction auxiliary agents during mixing. In the initial state, the sliding plate is located at the middle inner wall of the mixing barrel, and the mixing barrel extends out of the mixing barrel by the same distance. When cleaning the stirring environment of the raw materials for road construction auxiliary agents, the sealing plate arranged at one end of the mixing barrel is pushed, and the sealing plate drives the sliding plate to slide along the inner wall of the mixing barrel through the mixing barrel, and the mixing barrel arranged on one side of the hand-pushed sealing plate enters the mixing barrel, and the locking bolt is rotated. The locking bolt is screwed into the threaded hole, and the locking bolt is threadedly connected with the threaded hole. At this time, the mixing barrel on the side of the hand-pushed sealing plate completely enters the mixing barrel, and the sliding plate slides along the inner wall of the mixing barrel to the inner wall of the end away from the hand-pushed sealing plate. The mixing barrel at the end of the mixing barrel away from the hand-pushed sealing plate completely extends out of the inside, and the sliding plate scrapes out the impurities inside the mixing barrel when sliding along the inside of the mixing barrel, and then the stirring structure on the surface of the mixing barrel extending out of the mixing barrel is cleaned. The blocking plate slides along the inner wall of the mixing barrel through the sliding plate, and the blocking plate drives the mixing barrel extending from the mixing barrel to enter the mixing barrel, and pushes out the mixing barrel located inside the mixing barrel. The blocking plate pushes the mixing barrel into the mixing barrel, and the mixing barrel located inside the mixing barrel is pushed out. The locking bolt on one side of the mixing barrel near the end entering the mixing barrel is rotated, and the locking bolt is screwed into the threaded hole, and the block is screwed out from the mixing barrel. The opening of the mixing barrel is opened, and the raw materials for road construction additives are placed into the cleaned space between the mixing barrel and the mixing barrel through the opening of the mixing barrel. The dual-axis motor drives the rotating disk to rotate through the driving shaft, and the rotating disk drives the stirring rod to rotate through the mixing barrel to mix multiple groups of raw materials for road construction additives. At this time, the dual-axis motor drives the mixing barrel extending from the mixing barrel to rotate under the action of the rotating disk through the driving shaft, so as to facilitate the cleaning of the mixing barrel extending from the mixing barrel.

[0009] Preferably, the deformation mechanism includes a load-bearing shaft, a fixed electromagnet, a soft iron guide shaft, a fixed sliding rod, a sliding sleeve rod, a pushing block, a variable pitch spring and a sliding magnet, the load-bearing shaft is arranged on the inner wall of the mixing drum, the fixed electromagnets are symmetrically arranged at both ends of the load-bearing shaft, the soft iron guide shaft is arranged on the outside of the load-bearing shaft between the fixed electromagnets, multiple groups of the fixed sliding rods are arranged on the side wall of the soft iron guide shaft, the sliding sleeve rod is slidingly arranged on the end of the fixed sliding rod away from the soft iron guide shaft, the pushing block is arranged on the side of the sliding sleeve rod away from the fixed sliding rod, the variable pitch spring is arranged between the sliding sleeve rod and the soft iron guide shaft on the outside of the fixed sliding rod, and the sliding magnet is arranged on the end of the sliding sleeve rod close to the soft iron guide shaft; the fine grinding mechanism includes an extrusion port, an airbag rubber layer, a grinding sheet and a grinding plate, the extrusion port is arranged on the side wall of the mixing drum between the stirring rods, the airbag rubber layer is arranged on the inner wall of the extrusion port, multiple groups of the grinding sheets are arranged on the side of the airbag rubber layer away from the pushing block, and multiple groups of the grinding plates are arranged on the inner wall of the mixing drum.

[0010] When in use, a small amount of solid additives remain in the raw materials for road construction additives. The solid additives need to be fully crushed to ensure the mixing efficiency between the additives. The fixed electromagnet is energized to generate magnetism, and the fixed electromagnet magnetizes the soft iron guide shaft. The soft iron guide shaft and the sliding magnet are set with the same pole. The soft iron guide shaft is fixed on the outside of the load-bearing shaft and pushes the mixing barrel through repulsion. The sliding magnet drives the sliding sleeve rod to slide along the fixed sliding rod under the deformation of the blocking block. The sliding of the sliding sleeve rod drives the pushing block to extrude the airbag rubber layer. The airbag rubber layer protrudes to one side of the inner wall of the mixing barrel. The airbag rubber layer extrude the raw materials for road construction additives between the inner wall of the mixing barrel and the side wall of the mixing barrel through the grinding sheet, thereby increasing the friction between the solid additives in the raw materials for road construction additives and the grinding sheet and the grinding plate, reducing the particle size of the solid additives, and facilitating the sufficient mixing of multiple groups of additive raw materials.

[0011] Specifically, a controller is provided on the side wall of the mixing barrel.

[0012] Wherein, the controller is electrically connected to the dual-axis motor and the fixed electromagnet respectively.

[0013] The beneficial effects achieved by adopting the above structure are as follows:

[0014] Compared with the prior art, the present invention adopts a method of bidirectional movement of the stirring structure. With the intervention of the raised rolling mechanism, on the one hand, it is convenient to clean the inside of the stirring structure to prevent impurities from mixing into the additives, and it is easy to remove the residual additives in the stirring drum to avoid cross contamination between different additives. On the other hand, it can refine the solid additives in the additive mixed raw materials to ensure the mixing efficiency between the additive raw materials. The sliding sleeve slides and drives the pushing block to extrude the airbag rubber layer. The airbag rubber layer protrudes to one side of the inner wall of the mixing drum. The airbag rubber layer extrude the road construction additive raw materials between the inner wall of the mixing drum and the side wall of the mixing drum through the grinding sheet, thereby increasing the friction between the solid additives in the road construction additive raw materials and the grinding sheets and grinding plates, and reducing the particle size of the solid additives. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0016] Figure 2 This is an exploded schematic diagram of the internal structure of this scheme;

[0017] Figure 3 This is a schematic diagram of the internal structure of this scheme;

[0018] Figure 4 This is a schematic diagram of the structure of the alternating mechanism of this scheme;

[0019] Figure 5 This is a schematic diagram of the structure of the mixing drum of this scheme;

[0020] Figure 6 This is a schematic diagram of the structure of the mixing barrel of this scheme;

[0021] Figure 7 This is the main view of this scheme;

[0022] Figure 8 This is a top view of the scheme;

[0023] Fig. 9 for Figure 8 AA section view of the part;

[0024] Fig.10 for Figure 2 Part I shows a magnified structural view.

[0025] Among them, 1. mixing barrel, 2. blocking block, 3. double-head sliding mixing mechanism, 4. alternating mechanism, 5. sliding plate, 6. rotating disk, 7. mixing barrel, 8. mixing rod, 9. sealing plate, 10. rotating ring, 11. locking bolt, 12. driving mechanism, 13. double-axis motor, 14. driving shaft, 15. raised rolling mechanism, 16. deformation mechanism, 17. bearing shaft, 18. fixed electromagnet, 19. soft iron guide shaft, 20. fixed sliding rod, 21. sliding sleeve rod, 22. pushing block, 23. variable pitch spring, 24. fine grinding mechanism, 25. extrusion port, 26. airbag rubber layer, 27. grinding sheet, 28. grinding plate, 29. controller, 30. threaded hole, 31. sliding magnet.

[0026] The accompanying drawings are used to provide further understanding of the present scheme and constitute a part of the specification. Together with the embodiments of the present scheme, they are used to explain the present scheme and do not constitute a limitation on the present scheme. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the present scheme will be clearly and completely described below in conjunction with the drawings in the embodiments of the present scheme. Obviously, the described embodiments are only part of the embodiments of the present scheme, not all of the embodiments; based on the embodiments in the present scheme, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present scheme.

[0028] In the description of this scheme, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this scheme and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on this scheme.

[0029] like Figure 1-Figure 10 As shown, the present scheme proposes a high-efficiency mixing device for road engineering construction, comprising a mixing barrel 1, a blocking block 2, a double-headed sliding mixing mechanism 3 and a raised rolling mechanism 15, wherein the blocking block 2 is arranged through the side wall of the mixing barrel 1, the blocking block 2 is threadedly connected to the mixing barrel 1, the mixing barrel 1 is opened at both ends, the double-headed sliding mixing mechanism 3 is arranged on the inner wall of the mixing barrel 1, the raised rolling mechanism 15 is arranged inside the mixing barrel 1, the double-headed sliding mixing mechanism 3 comprises an alternating mechanism 4 and a driving mechanism 12, the alternating mechanism 4 is arranged inside the mixing barrel 1, the driving mechanism 12 is arranged on the alternating mechanism 4, the raised rolling mechanism 15 comprises a deformation mechanism 16 and a fine grinding mechanism 24, the deformation mechanism 16 is arranged inside the alternating mechanism 4, and the fine grinding mechanism 24 is arranged on the side wall of the alternating mechanism 4.

[0030] The alternating mechanism 4 includes a sliding plate 5, a rotating disk 6, a mixing drum 7, a stirring rod 8, a blocking plate 9, a rotating ring 10, a locking bolt 11 and a threaded hole 30, wherein the sliding plate 5 is slidably arranged on the inner wall of the mixing drum 1, the rotating disk 6 is symmetrically arranged on both sides of the sliding plate 5, and the rotating disk 6 is rotatably arranged on the side wall of the sliding plate 5, the mixing drum 7 is arranged on the side of the rotating disk 6 away from the sliding plate 5, multiple groups of the stirring rod 8 are arranged on the side wall of the mixing drum 7, the blocking plate 9 is arranged on the side of the mixing drum 7 away from the mixing drum 1, the rotating ring 10 is symmetrically arranged on both sides of the mixing drum 1, the rotating ring 10 is rotatably arranged on the side wall of the mixing drum 1, multiple groups of the locking bolts 11 are penetrated through the side wall of the blocking plate 9, and multiple groups of the threaded holes 30 are arranged on the side wall of the rotating ring 10; the driving mechanism 12 includes a dual-axis motor 13 and a driving shaft 14, the dual-axis motor 13 is arranged on the side wall of the sliding plate 5 between the rotating disk 6, and the driving shaft 14 is arranged between the rotating disk 6 and the power end of the dual-axis motor 13.

[0031] The deformation mechanism 16 includes a load-bearing shaft 17, a fixed electromagnet 18, a soft iron guide shaft 19, a fixed slide rod 20, a sliding sleeve rod 21, a pushing block 22, a variable pitch spring 23 and a sliding magnet 31. The load-bearing shaft 17 is arranged on the inner wall of the mixing drum 7, the fixed electromagnet 18 is symmetrically arranged at both ends of the load-bearing shaft 17, the soft iron guide shaft 19 is arranged on the outer side of the load-bearing shaft 17 between the fixed electromagnets 18, multiple groups of the fixed slide rods 20 are arranged on the side wall of the soft iron guide shaft 19, the sliding sleeve rod 21 is slidably arranged at one end of the fixed slide rod 20 away from the soft iron guide shaft 19, and the pushing block 22 is arranged away from the sliding sleeve rod 21. On one side of the fixed slide rod 20, the variable pitch spring 23 is arranged between the sliding sleeve rod 21 and the soft iron guide shaft 19 outside the fixed slide rod 20, and the sliding magnet 31 is arranged at one end of the sliding sleeve rod 21 close to the soft iron guide shaft 19; the fine grinding mechanism 24 includes an extrusion port 25, an airbag rubber layer 26, a grinding sheet 27 and a grinding plate 28, the extrusion port 25 is arranged on the side wall of the mixing drum 7 between the stirring rods 8, the airbag rubber layer 26 is arranged on the inner wall of the extrusion port 25, multiple groups of the grinding sheets 27 are arranged on the side of the airbag rubber layer 26 away from the push block 22, and multiple groups of the grinding plates 28 are arranged on the inner wall of the mixing drum 1.

[0032] A controller 29 is disposed on the side wall of the mixing barrel 1 .

[0033] The controller 29 is electrically connected to the dual-axis motor 13 and the fixed electromagnet 18 respectively.

[0034] In specific use, before mixing the raw materials for road construction additives, the stirring environment inside the mixing barrel 1 is cleaned to reduce the probability of cross contamination of the raw materials for road construction additives during mixing. In the initial state, the sliding plate 5 is located at the middle inner wall of the mixing barrel 1, and the stirring barrel 7 extends out of the mixing barrel 1 by the same distance;

[0035] Since the grinding structure for the solid raw materials in the auxiliary raw materials is arranged inside the mixing barrel 1, the structure inside the mixing barrel 1 is disordered and complicated. It is difficult to remove the residual raw materials inside the mixing barrel 1 by flushing the inside of the mixing barrel 1. Therefore, when cleaning the mixing environment of the road construction auxiliary raw materials, the sealing plate 9 arranged at one end of the mixing barrel 1 is manually pushed. The sealing plate 9 drives the sliding plate 5 to slide along the inner wall of the mixing barrel 1 through the mixing barrel 7. The mixing barrel 7 arranged on one side of the sealing plate 9 is pushed by hand. The mixing barrel 7 enters the mixing barrel 1, and the locking bolt 11 is rotated. The locking bolt 11 is screwed into the threaded hole 30. The locking bolt 11 is threadedly connected with the threaded hole 30. At this time, the mixing barrel 7 on the side of the hand-pushed sealing plate 9 is completely entered into the mixing barrel 1, and the sliding plate 5 slides along the inner wall of the mixing barrel 1 to the inner wall of the end away from the hand-pushed sealing plate 9. The mixing drum 7 at the end of the mixing drum 1 away from the hand-pushed sealing plate 9 is completely extended out of the mixing drum 7, and the sliding plate 5 is scraped out of the impurities inside the mixing drum 1 when sliding along the inside of the mixing drum 1, and then the mixing structure on the surface of the mixing drum 7 extending out of the mixing drum 1 is cleaned. After the mixing drum 7 extending out of the mixing drum 1 is cleaned, the locking bolt 11 on the side wall of the sealing plate 9 that is in contact with the side wall of the mixing drum 1 is rotated, and the locking bolt 11 is screwed out from the threaded hole 30, pushing the sealing plate 9 provided on the side wall of the mixing drum 7 extending out of the mixing drum 1. The sealing plate 9 slides along the inner wall of the mixing drum 1 through the sliding plate 5, and the sealing plate 9 drives the mixing drum 7 extending out of the mixing drum 1 to enter the mixing drum 1, and the mixing drum 7 located inside the mixing drum 1 is pushed out, and the locking bolt 11 on the side of the mixing drum 7 close to the end entering the mixing drum 1 is rotated, and the locking bolt 11 is screwed into the threaded hole 30.

[0036] The block 2 is screwed out from the inside of the mixing barrel 1, the opening of the mixing barrel 1 is opened, and the road construction auxiliary agent raw material is put into the cleaned space between the mixing barrel 7 and the mixing barrel 1 through the opening of the mixing barrel 1. The controller 29 controls the mixing barrel 1 to start, and the double-axis motor 13 drives the rotating disk 6 to rotate through the driving shaft 14. The rotating disk 6 drives the stirring rod 8 to rotate through the mixing barrel 7 to mix multiple groups of road construction auxiliary agent raw materials. At this time, the double-axis motor 13 drives the stirring barrel 7 extending out of the mixing barrel 1 to rotate under the action of the rotating disk 6 through the driving shaft 14, so as to facilitate the cleaning operation of the stirring barrel 7 extending out of the mixing barrel 1.

[0037] There is a small amount of solid additives remaining in the raw materials of road construction additives, which need to be crushed to ensure the mixing efficiency between additives;

[0038] The controller 29 controls the fixed electromagnet 18 to start, and the fixed electromagnet 18 is energized to generate magnetism. The fixed electromagnet 18 magnetizes the soft iron guide shaft 19, and the soft iron guide shaft 19 is set with the same pole as the sliding magnet 31. The soft iron guide shaft 19 is fixed on the outside of the load-bearing shaft 17 and pushes the mixing barrel 1 through repulsion. The sliding magnet 31 drives the sliding sleeve rod 21 to slide along the fixed sliding rod 20 under the deformation of the variable pitch spring 23. The sliding sleeve rod 21 slides and drives the pushing block 22 to squeeze the airbag rubber layer 26. The airbag rubber layer 26 protrudes toward one side of the inner wall of the mixing barrel 1. The airbag rubber layer 26 squeezes the road construction additive raw material between the inner wall of the mixing barrel 1 and the side wall of the mixing barrel 7 through the grinding sheet 27, thereby increasing the friction between the solid additive in the road construction additive raw material and the grinding sheet 27 and the grinding plate 28, reducing the particle size of the solid additive, and facilitating the full mixing of multiple groups of additive raw materials. The above operation can be repeated the next time it is used.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] The above is a description of the present solution and its implementation methods, which is not restrictive. The drawings show only one implementation method of the present solution, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creative design without departing from the creative purpose of the present solution, they should all fall within the protection scope of the present solution.

Claims

1. A high-efficiency mixing device for road engineering construction, comprising a mixing drum (1) and a blocking block (2), characterized in that: It also includes a double-headed slip-mixing mechanism (3) and a raised rolling mechanism (15), wherein the block (2) is arranged through the side wall of the mixing barrel (1), the block (2) is threadedly connected to the mixing barrel (1), the mixing barrel (1) is opened at both ends, the double-headed slip-mixing mechanism (3) is arranged on the inner wall of the mixing barrel (1), the raised rolling mechanism (15) is arranged inside the mixing barrel (1), the double-headed slip-mixing mechanism (3) includes an alternating mechanism (4) and a driving mechanism (12), the alternating mechanism (4) is arranged inside the mixing barrel (1), the driving mechanism (12) is arranged on the alternating mechanism (4), and the raised rolling mechanism (15) includes a deformation mechanism (16) and a fine grinding mechanism (24); The alternating mechanism (4) comprises a sliding plate (5), a rotating disk (6), a mixing drum (7), a stirring rod (8), a blocking plate (9), a rotating ring (10), a locking bolt (11) and a threaded hole (30); the sliding plate (5) is slidably arranged on the inner wall of the mixing drum (1); the rotating disk (6) is symmetrically arranged on both sides of the sliding plate (5); the rotating disk (6) is rotatably arranged on the side wall of the sliding plate (5); the mixing drum (7) is arranged on a side of the rotating disk (6) away from the sliding plate (5); and a plurality of groups of stirring rods (8) are arranged on the side wall of the mixing drum (7); The deformation mechanism (16) comprises a bearing shaft (17), a fixed electromagnet (18), a soft iron guide shaft (19), a fixed sliding rod (20), a sliding sleeve rod (21), a pushing block (22), a variable pitch spring (23) and a sliding magnet (31); the bearing shaft (17) is arranged on the inner wall of the mixing drum (7); the fixed electromagnet (18) is symmetrically arranged at both ends of the bearing shaft (17); the soft iron guide shaft (19) is arranged on the outer side of the bearing shaft (17) between the fixed electromagnets (18); and a plurality of groups of the fixed sliding rods (20) are arranged on the side wall of the soft iron guide shaft (19); The fine grinding mechanism (24) comprises an extrusion port (25), an airbag rubber layer (26), a grinding sheet (27) and a grinding plate (28); the extrusion port (25) is arranged on the side wall of the mixing drum (7) between the mixing rods (8); The blocking plate (9) is arranged on a side of the mixing drum (7) away from the mixing drum (1), the rotating ring (10) is symmetrically arranged on both sides of the mixing drum (1), the rotating ring (10) is rotatably arranged on the side wall of the mixing drum (1), a plurality of groups of locking bolts (11) are penetrated through the side wall of the blocking plate (9), and a plurality of groups of threaded holes (30) are arranged on the side wall of the rotating ring (10); The sliding sleeve rod (21) is slidably disposed on an end of the fixed slide rod (20) away from the soft iron guide shaft (19); the pushing block (22) is disposed on a side of the sliding sleeve rod (21) away from the fixed slide rod (20); the variable pitch spring (23) is disposed between the sliding sleeve rod (21) and the soft iron guide shaft (19) outside the fixed slide rod (20); and the sliding magnet (31) is disposed on an end of the sliding sleeve rod (21) close to the soft iron guide shaft (19); The airbag rubber layer (26) is arranged on the inner wall of the extrusion port (25), a plurality of groups of grinding sheets (27) are arranged on a side of the airbag rubber layer (26) away from the push block (22), and a plurality of groups of grinding plates (28) are arranged on the inner wall of the mixing barrel (1).

2. The high-efficiency mixing device for road engineering construction according to claim 1, characterized in that: The driving mechanism (12) comprises a dual-axis motor (13) and a driving shaft (14); the dual-axis motor (13) is arranged on the side wall of the sliding plate (5) between the rotating disks (6); and the driving shaft (14) is arranged between the rotating disks (6) and the power end of the dual-axis motor (13).

3. The high-efficiency mixing device for road engineering construction according to claim 2, characterized in that: A controller (29) is provided on the side wall of the mixing barrel (1).

4. The high-efficiency mixing device for road engineering construction according to claim 3 is characterized in that: The controller (29) is electrically connected to the dual-axis motor (13) and the fixed electromagnet (18) respectively.

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